diff options
| author | cmoller <cmoller> | 2010-02-08 18:27:53 +0000 |
|---|---|---|
| committer | cmoller <cmoller> | 2010-02-08 18:27:53 +0000 |
| commit | 3a1fc260f01d38b733dc4e7941cb3172dfdf6d01 (patch) | |
| tree | a94dc82d0c59f5d5902aaa1bca380e8191fff3bd /gdb/valarith.c | |
| parent | 93a1fa4f1853fca63cb20e433d7c5df83fa140d8 (diff) | |
| download | gdb-3a1fc260f01d38b733dc4e7941cb3172dfdf6d01.tar.gz | |
PR gdb/10728
* valarith.c (value_ptrdiff): Added a test for a zero type length,
warn if found, and assume length = 1.
* gdb.cp/pr10728-x.h: New file.
* gdb.cp/pr10728-x.cc: New file.
* gdb.cp/pr10728-y.cc: New file.
* gdb.cp/pr10728.exp: New file.
* gdb.cp/Makefile.in (EXECUTABLES): Add pr10728
Diffstat (limited to 'gdb/valarith.c')
| -rw-r--r-- | gdb/valarith.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gdb/valarith.c b/gdb/valarith.c index ed76b0960ba..c87bc6f255e 100644 --- a/gdb/valarith.c +++ b/gdb/valarith.c @@ -122,6 +122,13 @@ First argument of `-' is a pointer and second argument is neither\n\ an integer nor a pointer of the same type.")); sz = TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type1))); + if (sz == 0) + { + warning (_("Type size unknown, assuming 1. " + "Try casting to a known type, or void *.")); + sz = 1; + } + return (value_as_long (arg1) - value_as_long (arg2)) / sz; } |